Composition for wetting and encapsulating asbestos and method of

Details Composition for wetting and encapsulating asbestos and method of Composition for wetting and encapsulating asbestos and method of

1991-04-18

1994-05-31

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524563, 524574, 524452, 524791, 524575, C08L 900, C08K 334, C08F 2010, B08B 700

Patent

active

053170563

ABSTRACT:
A substantially nonthixotropic composition capable of minimizing the amount of airborne asbestos particles released during removal of asbestos from a structural unit and encapsulating the removed asbestos to permanently prevent the release of airborne asbestos particles. The composition includes (i) a major proportion of water, (ii) a nonionic-surfactant-stabilized latex, such as a latex of styrene butyl rubber, having a viscosity of less than about 300 cps and a maximum particle size of less than about 0.4 microns, (iii) sufficient nonionic surfactant to reduce the surface tension of the composition to less than about 40 dynes per cm, and (iv) a cationic surfactant. Optionally, the composition may further include a defoamant, a corrosion inhibitor, a pH buffering agent, a freezing point depressant and/or a dye.

REFERENCES:
patent: 3660148 (1972-05-01), Heron
patent: 3965284 (1976-06-01), Xanthos et al.
patent: 4274676 (1981-06-01), Chapel
patent: 4699666 (1987-10-01), Tidquist et al.
International Protective Coatings Corporation "Serpiflex Shield.TM., " (May 1987) Brochure.
The Better Working Environments, Inc., "BWE 5000.TM., " Oct. 2, 1987.

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